The first volume of the anniversary hardback edition of The Underworld Saga contains Thanatos, Challenge of Hades, and A New Goddess.
 
Dive into a world in which the ancient gods of Greece still rule in modern times.

Thanatos meets seventeen-year-old Therese while she's in a coma hovering between the realm of the dead and the realm of dreams. A lucid dreamer, she takes control of her dream and kisses him, unaware that he is Death. It was his first kiss.

No one, in his long existence, has ever wanted to kiss Death.

After Therese awakens from her coma, Thanatos is desperate to find her. He makes a deal with Hades and goes to the Upperworld as a mortal to pursue her and to see where it might lead.

The deal requires Therese to avenge the death of her parents. With the help of Than’s fierce and exotic sisters, the Furies, she finds herself in an arena face to face with the murderer, and only one will survive.

Formerly The Gatekeeper's Trilogy, this set is a complete trilogy. You can stop here (no cliffhanger) or continue with the next box set. There are four box sets in The Underworld Saga.

"I've studied Greek mythology since I was 6 & spent 2 months in Greece, visiting historical sites & museums. This author has Very accurately and Realistically brought not only the Entire Greek Pantheon to life, but Many others that exist in Greek mythology. The personalities are so dynamic and on point and So incredibly interesting!"--Dina Kmett, Amazon Reviewer ★★★★★

"A must read for all lovers of the Greek gods!"--iremic, Amazon Reviewer ★★★★★

"This is a brilliant series of Mortals, and Gods, underworld and mythical creatures all come to life in this wonderful tale, you wont be able to put this series down once you start, fantastic tales, and greek mythology, this is one series that I will keep forever in my archives to read over and over again."--Jodee, Amazon Reviewer ★★★★★